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11
11
ICD-B100/B200
ICD-B100/B200
4-1. BLOCK DIAGRAM
Signal path
: PB
: REC
47 MIP
LOUT0
23
EGPI011
EGPI014
EGPI013
EGPI015
BGPI02
EGPI012
RSTN
26
51
XOUT
52
34
XIN
25 27 58 24 54
72
SI0
90
21
5
76
75
77
77
68
87
82
9
8
65
88
84
80
2
67
66
79
LCD701
LIQUID
CRYSTAL
DISPLAY
PANEL
LED
DRIVER
Q701
13
17
7
14
11
10
19
64
86
1
2
18
4
7
8
9
16
17
18
19
91
I
98
73
SD0
74
SCK0
89
DSPIFACK
69
XDSPIFRQ
70
DSPIFRW
71
XDSPRST
29
I
32
•
41
I
44
23
I
26
32
I
63
RESET
IC702
+3V(VDD)
MIC101
MIC
J101
MIC
IC701
FLASH MEMORY
I/O0
I
I/O7
R/B
RE
CE
CLE
ALE
WE
WP
SL701
(TEST)
Q702
VDD
FMI00
I
FMI07
XFMR/B
22 MIC SENS
XFMRE
XFMCE
XFMCLE
XFMCLE
XFMALE
XFMWE
XFMWP
XFMWP
XTEST
WAKEUP
9 AVREF
6 AVREFON
KEY1
KEY2
KEY3
HOLD
S701
HOLD
OFF ON
I/O
TIMER
COUNTER
CONTROL
CONTROL
OSC
INTERRUPT
CONTROL
RTCCE
RTCINT
RTCDI
RTCCLK
RTCDO
AMPPOW
16
HP MUTE
BEEP
LMUTE
XT1
DSPPOW
FLMPOW
XRESET
100
BATT
X1
X2
LEDPB
LEDREC
COM0
I
COM3
S0
I
S31
SI
SO
SO
SCLK
CE
INT
32KOUT
4
3
2
2
7
6
1
+3.3V
(VCC C)
D701
REC/PB
(GRN)(PB)
(RED)(REC)
J103
EAR
IC101
A/D,D/A CONVERTER,
DSP
(PLUG IN POWER)
X101
4.096MHz
X701
5MHz
IC703
MEMORY
CONTROL,
SYSTEM
CONTROL
S709-713
S703-708
S715
KEY-IN
DETECT
Q703,704,706
VCC
+3.3V
(VCCB)
VCC
VCCA
+3.3V
(VCC A)
+3.3V
(VCC B)
4
8
5
1
3
2
-IN
+IN
BYPASS
VDD
VO1
VO2
SP1
SPEAKER
IC104
SPEAKER AMP
+3V
(VDD)
X702
32.768kHz
IC704
REAL TIME CLOCK
VDD
+3.3V
(VCC C)
(VCC C)
+3.3V
(VCC A)
5
1
3
IC502
+3.3V REG
VOUT
VIN
OSCIN
OSCOUT
CE
DC-DC
CONVERTER
(3.7V)
+3.3V
(VCC B)
5
1
3
IC503
+3.3V REG
VOUT
VIN
CE
+3.3V
(VCC C)
2
3
IC504
+3.3V REG
VOUT
VIN
1
3
IC506
VOLTAGE DETECT
+3(VDD)
OUT
VDD
IC102
MIC AMP
IC508,Q504
Q101
MUTE
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
2PCS,3V
KEY MATRIX
S702
MIC SENS
LOW
HIGH
Q104
HP MUTE
BATTERY
DETECT
Q501
4
6
MIC
SENS
Q102
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